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What type of immunity results from transfer of antibodies from one individual to a susceptible individual by means of injection
Artificially acquired passive immunity
Newborns' immunity due to the transfer of antibodies across the placenta is an example of
Naturally acquired passive immunity
What type of immunity results from injection of tentanus toxiod
Artificially acquired active immunity
Which of the following is NOT a characteristic of B cells?
They recognize antigens associated with MHC I.
What is a false statement
--The variable region of a heavy chain binds with antigen.
--The variable region of a light chain binds with antigen.
--The Fc region attaches to a host cell.
--The constant region of a heavy chain is the same for all antibodies.
--All of these statements are true.
In Figure 17.1, which letter on the graph indicates the patient's secondary response to an antigen?
The best definition of antigen is
A chemical that elicits an antibody response and can combine with these antibodies.
The best definition antibody is
A protein made in response to an antigen that can combine with that antigen.
The following events elicit an antibody response. What is the third step?Antigen-digest goes to surface of APC.
TH cell recognizes antigen digest and MHC II
The presence of which of the following indicates a current infection rather than a previous infection or vaccination?
The following events occur in cellular immunity. What is the third step?
TH cell produces cytokines.
Patients with an inherited type of colon cancer called familial adenomatous polyposis have a mutation in the gene that codes for
Which of the following statements about natural killer cells is false?
They are stimulated by an antigen.
Which of the following statements about sepsis is false?
It usually is caused by gram-positive bacteria.
Which of the following bacterial infections CANNOT be transmitted by dog or cat bites?
Unsanitary and crowded conditions increase the incidence of all of the following diseases EXCEPT
Rocky Mountain spotted fever.
A patient presents with inflammation of the heart valves, fever, malaise, and subcutaneous nodules at joints. The recommended treatment is
anti inflammatory drugs
Which of the following statements about puerperal sepsis is false?
It is transmitted from mother to fetus.
Which of the following pairs is mismatched?
Francisella - gram-positive facultatively anaerobic pleomorphic rods
Which of the following can be transmitted from an infected mother to her fetus across the placenta?
A patient has the following symptoms: a papule, enlarged lymph nodes. Microscopic examination of the papule reveals nucleated cells in white blood cells. The patient most likely has
Which of the following pairs regarding the epidemiology of malaria is mismatched?
Diagnosis- presence of merozoites
Which of the following pairs is mismatched?
Cat-scratch disease- malignant pustule developing into septicemia
A patient complains of fever, severe muscle and joint pain, and a rash. The patient reports returning from a Caribbean vacation one week ago. Which one of the following do you suspect?
Which of the following is evidence that the arthritis afflicting children in Lyme, Connecticut, was due to bacterial infection?
Transmitted by ticks. Lyme disease is transmitted by deer ticks
A 62-year-old man was hospitalized with an 8-day history of fever, chills, sweats, and vomiting. His temperature on admission was 40°C. A routine peripheral blood smear revealed ring-shaped bodies in the RBCs. What treatment would you prescribe?
Which of the following statements about otitis media is false?
It is transmitted by swimming pool water.
Penicillin is used to treat all of the following EXCEPT
Mycoplasmal pneumonia.: treated with macrolide drugs: aka z-pack
Which of the following diseases has a cutaneous form, especially in individuals over 30 years of age?
Which of the following causes an infection of the respiratory system that is transmitted by the gastrointestinal route?
Which one of the following causes a disease characterized by the catarrhal, paroxysmal, and convalescent stages?
Infection by which of the following results in the formation of Ghon complexes?
Inhalation of arthroconidia is responsible for infection by which of the following organisms?
A patient has pneumonia. Gram-negative rods are cultured on nutrient agar from a sputum sample. The etiology is
The patient is suffocating because of the accumulation of dead tissue and fibrin in her throat. What is the etiology?
Microscopic examination of a lung biopsy shows thick-walled cysts. What is the etiology?
You are trying to identify the cause of a patient's middle ear infection. After 24 hours, there is no growth on blood agar incubated aerobically at 37°C. Your next step is to try again,
Using nutrient agar.
A patient has a paroxysmal cough and mucus accumulation. What is the etiology of the symptoms?
A patient who presents with red throat and tonsils can be diagnosed as having
There is insufficient information.
A patient has fever, difficulty breathing, chest pains, fluid in the alveoli, and a positive tuberculin skin test. Gram-positive cocci are isolated from the sputum. The patient most likely has
Which one of the following produces small "fried-egg" colonies on medium containing horse serum and yeast extract?
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